package cn.oa.service;

import java.util.List;

import cn.oa.bean.Account;
import cn.oa.bean.Announcement;

public interface AnnouncementService {
	public List findDepartmentAnn(Account account);
	public List<Announcement> findAllAnn();
	public boolean addAnn(Announcement ann);
	public Integer query(Account account);
}
